Angulator
角度转换仪; 角投影器; 变角器
🗣️ 情景例句
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
Oh, that's all right.
哦，没关系。
I must always keep on trying to do my best.
我必须始终继续作出最大的努力。